Patents by Inventor Melaine Klasen-Memmer

Melaine Klasen-Memmer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquid-crystalline medium
    Publication number: 20060124896
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which comprises at least one compound of the formula (I) in which R0, R1, A1, Z1 and m have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display based on the ECB, PALC or IPS effect.
    Type: Application
    Filed: November 5, 2003
    Publication date: June 15, 2006
    Inventors: Melaine Klasen-Memmer, Matthias Bremer, Lars Lietzau
  • Liquid crystalline medium
    Patent number: 6929834
    Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of negative dielectric anisotropy which comprises at least one compound of the formula I in which R11 and R12, ring A, Z, a, L1 and L2 are as defined in claim 1, and the use thereof for an active-matrix display based on the ECB effect.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: August 16, 2005
    Assignee: Merck Patent GmbH
    Inventors: Melaine Klasen-Memmer, Clarissa Weller, Matthias Bremer, Detlef Pauluth, Hans-Rolf Duebal, Barbara Hornung, Wolfgang Schmidt, Rainer Wingen
  • Liquid crystalline medium
    Publication number: 20040146662
    Abstract: The invention relates to a liquid crystalline medium characterized by containing one or more compounds of general formula (I) and one or more compounds of formula (II), wherein R1, R2, R3, R4 and c have the meanings as cited in Claim No. 1.
    Type: Application
    Filed: November 26, 2003
    Publication date: July 29, 2004
    Inventors: Melaine Klasen-Memmer, Dagmar Klement, Matthias Bremer
  • Liquid-crystal medium, and electro-optical display containing same
    Publication number: 20030017279
    Abstract: The present invention relates to nematic liquid-crystal media which comprise
    Type: Application
    Filed: December 20, 2001
    Publication date: January 23, 2003
    Applicant: Merck Patent GmbH
    Inventors: Melaine Klasen-Memmer, Clarissa Weller, Matthias Bremer